Compare towns
Groton vs Killingly vs Long Hill
Cost, people, housing, commute and schools, side by side, each benchmarked against Connecticut.
What stands out worked out from the figures below
Groton has the shortest commute (18 min average).
Killingly has the most homeowners (71.6%).
Long Hill has the most people working from home (20.7%).
What matters to you?
Pick a few. We’ll pull those rows to the top and mark which town comes out ahead on each. There’s no overall score: what matters is up to you.
| Measure | Groton | Killingly | Long Hill |
|---|---|---|---|
| Your priorities | |||
| People | |||
| Population | 9,490 |
17,867Highest |
4,399Lowest |
| Growth since 20102010 → 2020 census | -9.6%Lowest CT: +0.9% |
— | -6.1%Highest CT: +0.9% |
| Median age | 39±3.7 5% below CT |
39.5±3Highest 4% below CT |
32.7±2.1Lowest 20% below CT |
| Killingly and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Kids under 18 | 15.7%±3.5 CT: 20.2% |
19.8%±2.3Highest CT: 20.2% |
11.3%±4.7Lowest CT: 20.2% |
| Killingly and Groton are within the Census margin of error here, so we can’t say which is really higher. | |||
| Age 65+ | 16.2%±2.7Lowest CT: 18.5% |
19.7%±2.4Highest CT: 18.5% |
17.3%±4.9 CT: 18.5% |
| Killingly and Long Hill are within the Census margin of error here, so we can’t say which is really higher. | |||
| Bachelor’s degree+adults 25+ | 38.8% CT: 42.5% |
22.9%Lowest CT: 42.5% |
47.9%Highest CT: 42.5% |
| Enrolled in collegeshare of residents | 4.2%±1.7Lowest CT: 7.1% |
5.4%±1.9 CT: 7.1% |
8%±4.4Highest CT: 7.1% |
| Long Hill and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Cost of living | |||
| Household incomemedian | $79,577±$8kLowest 17% below CT |
$84,350±$8kHighest 12% below CT |
$84,201±$22k 12% below CT |
| Killingly and Long Hill are within the Census margin of error here, so we can’t say which is really higher. | |||
| Home valuemedian, owner-occupied | $306,600±$26kHighest 16% below CT |
$288,600±$15k 21% below CT |
$175,600±$62kLowest 52% below CT |
| Groton and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Rentmedian gross, monthly | $1,250±$98 16% below CT |
$1,044±$141Lowest 30% below CT |
$1,722±$116Highest 16% above CT |
| Property taxmedian, yearly | $4,411Highest 34% below CT |
$3,922 41% below CT |
$2,500Lowest 62% below CT |
| Renters paying 30%+of income on rent | 46.5%±11.7Highest CT: 52.6% |
42.8%±10.9 CT: 52.6% |
42.3%±13Lowest CT: 52.6% |
| Groton and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Below poverty line | 18.6%Highest CT: 10% |
11.4%Lowest CT: 10% |
16.1% CT: 10% |
| Housing | |||
| Homeownersof occupied homes | 45.4% CT: 66.5% |
71.6%Highest CT: 66.5% |
22.4%Lowest CT: 66.5% |
| Typical home builtmedian year | 1971 4 yrs newer than CT |
1968Lowest 1 yr newer than CT |
1984Highest 17 yrs newer than CT |
| Getting to work | |||
| Average commuteone way | 18 minLowest 34% below CT |
28 minHighest 5% above CT |
23 min 12% below CT |
| Work from home | 4.8%±2Lowest CT: 16% |
11.1%±2.3 CT: 16% |
20.7%±9.7Highest CT: 16% |
| Long Hill and Killingly are within the Census margin of error here, so we can’t say which is really higher. | |||
| Schools | |||
| Public school scoresrank in state, math + reading | — | #136 of 149 in CT | — |
| School district | — | Connecticut Technical Education and Career System · Eastern Connecticut Regional Educational Service Center (EAS | — |
| High school in town | — | Killingly High School | — |
| Students per teacherat that high school | — | 11.1 |
— |
| On TownTapestry | |||
| Old photos in History | None yet | None yet | None yet |
CT average · Sources: U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024; 2010 & 2020 decennial census; NCES Common Core of Data. “±” is the Census margin of error. Property tax is top-coded by the Census at $10,000+. School rank compares math and reading proficiency against the state average.

